For sale: 18th century castle with a medieval prison tower, moat and lake on 14 acres. The price: 350,000 euros ($445,000), less than the cost of a Manhattan studio. The catch? It’s in eastern German.

As real estate remains in high demand as a stable asset class worldwide, European investors are now increasingly turning their attention to castles, farm and manor houses as well as country estates.

In the German castle market, almost 50 percent of the buyers are from outside Germany. "We see Russians, Chinese, Turkish people, Dutch, Italians -- it's a mixture," Bernd Neuhäuser, co-owner of ...

Germany is home to tens of thousands of castles, including one that is recognized the world over: Neuschwanstein was the inspiration for some of Disney's fairytale castles. The new National Geographic ...